Responsibility Assignment Matrix

Vision Securities Responsibility Assignment Matrix January 30, 2006USB Exercise Band Matt Joe Luis Daniel Sponsor Advisor Other Duration (Days)1.1.1 Microcontroller Selection L P P P R I 51.1.2.1 Decoder Selection P P P L R I 11.1.2.2 DAC Selection P P P L R I 11.1.2.3 Amplifier Selection P P P L R I 11.1.2.4 Audio Jack Selection P P P L R I 11.1.3 LCD Selection P P P L R I 11.1.4 GPS Selection P P L P R I 31.1.5.1 Battery Selection P L P P R I 51.1.5.2 StepUp Selection P P L P R I 31.1.6 Ambient Thermometer Selection L P P P R I 21.1.7 Body Temperature Sensor Concept P P L P R I 81.1.8 Pulse Rate Sensor Selection L P P P R I 71.1.9 USB Connector Selection L P P P R I 21.1.10 User Control Interface Research L P P P R I 21.2.1 I2C Protocol Research P L P P R I 21.2.2 USB Core Technology Research L P P P R I 101.2.3 GPS Communication Research P P L P R I 51.2.4 Serial Communication Research L P P P R I 51.2.5 Parallel Communication Research P P P L R I 31.2.6 Mass Storage Device File System Research L P P P R I 51.2.7 SPI Communication Research P P P L R I 52.1.1 Module Interconnection P L P P R I 42.1.2 Enclosure Design P L P P R I 22.1.3 PCB Design P P P L R I 32.1.4 Power Distribution Design P P L P R I 52.1.5 User Control Interface Design L P P P R I 22.2.1 Module Communication Design L P P P R I 22.2.2 Data Acquisition Routines L P P P R I 42.2.3 Real Time Processing Design P P P L R I 22.2.4 Storage I/O Design L P P P R I 22.2.5 PC GUI Design L P P P R I 22.2.6 Data Analysis Routines P P P L R I 2Page 1 of 3

Vision Securities Responsibility Assignment Matrix January 30, 20063.1.1 uC Purchase L I I I R I 53.1.2 Pulse Rate Sensor Purchase L I I I R I 53.1.3 GPS Purchase I I L I R I 53.1.4 Ambient Thermometer Purchase L I I I R I 53.1.5 Body Temperature Sensor Purchase I I L I R I 53.1.6 Control Buttons Purchase L I I I R I 53.1.7 DAC Purchase I I I L R I 53.1.8 Battery Purchase I L I I R I 53.1.9 LCD Purchase L I I I R I 53.1.10 MP3 Decoder Purchase I I I L R I 53.1.11 Audio Jack Purchase L I I I R I 53.1.12 USB Connection Purchase L I I I R I 53.1.13 StepUp Regulator Purchase I I L I R I 53.1.14 Audio Amplifier Purchase I I I L R I 53.2.1 PCB Fabrication Services I I L I R I 83.2.2 Packaging Services I L I I R I 104.1.1 uC main() Development L P P P R I 34.1.2 MP3 Processor Integration P P P L R I 44.1.3 DAC Integration P P P L R I 24.1.4 LCD Integration P P P L R I 74.1.5 Battery and Step-Up Integration P P L P R I 24.1.6 User Controls Integration L P P P R I 34.1.7 Audio Jack Integration P P P L R I 54.1.8 Ambient Thermometer Integration L P P P R I 54.1.9 Body Temperature Integration P P L P R I 104.1.10 GPS Integration P P L P R I 64.1.11 USB Interface Integration L P P P R I 154.1.12 Mass Storage Device Integration L P P P R I 44.1.13 Surface Mount Modules L P P P R I 34.1.14 Pulse Rate Integration L P P P R I 84.1.15 Enclosure Assembly L P P P R I 14.2.1 Graphical Analysis Development L P P P R I 34.2.2 Timeline Display Development L P P P R I 34.2.3 GPS Mapping Development L P P P R I 3Page 2 of 3

Vision Securities Responsibility Assignment Matrix January 30, 20065.1.1 Pulse Acquisition Test L R P P R I 15.1.2 GPS Communication Test L P P R R I 15.1.3 Ambient Thermometer Test P L P R R I 15.1.4 Body Temperature Test P R L P R I 15.1.5 DAC Test R L P P R I 15.1.6 LCD Test R P L P R I 15.1.7 PCB Continuity Test P P R L R I 15.1.8 Mass Storage Device Communication Test P L P R R I 15.2.1 Pulse Rate Sensor to uC Test R P P L R I 15.2.2 GPS to uC Test P R L P R I 15.2.3 Ambient Thermometer to uC Test L R P P R I 15.2.4 Body Temperature to uC Test L P P R R I 15.2.5 User Input Function Test P R L P R I 15.2.6 MP3 Decoder to DAC Test R L P P R I 15.2.7 uC to MP3 Test R P L P R I 15.2.8 uC to LCD Test P L P P R I 15.2.9 User Control Signaling Test L P P R R I 15.2.10 USB Communication Test P P R L R I 15.2.11 Complete Firmware Test P P R L R I 15.2.12 PC Software Test R P P L R I 15.3 Final Testing L P P P P P 16.1.1 Firmware Flowchart L P P P R I 16.1.2 PC Software Flowchart L P P P R I 16.1.3 Module Communication Schematic L P P P R I 26.2.1 Functional Block Diagram P P L P R I 36.2.2 Hardware Schematic P P L P R I 46.3.1 Hardware Test Plans P L P P R I 46.3.2 Firmware Test Plans P L P P R I 46.3.3 PC Software Test Plan P L P P R I 46.3.4 Functional Device Test Plan P P L P R I 36.4.1 Device User Manual P L P P R I 46.4.2 USB Core Technology Documentation L P P P R I 106.4.3 PC Software Quickstart Guide L P P P R I 16.4.4 Final Technical Document P P P L R I 107.1 Prototype Demonstration L P P P P P 17.2 Account Reconciliation P P P P L P 17.3 Documentation Handoff L P P P P P 1Page 3 of 3